1131404200 has 24 divisors (see below), whose sum is σ = 2630515230. Its totient is φ = 452561600.

The previous prime is 1131404189. The next prime is 1131404243. The reversal of 1131404200 is 24041311.

It can be written as a sum of positive squares in 3 ways, for example, as 656076996 + 475327204 = 25614^2 + 21802^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2828311 + ... + 2828710.

Almost surely, 2^1131404200 is an apocalyptic number.

1131404200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131404200 is an abundant number, since it is smaller than the sum of its proper divisors (1499111030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131404200 is a wasteful number, since it uses less digits than its factorization.

1131404200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657037 (or 5657028 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1131404200 is about 33636.3523587205. The cubic root of 1131404200 is about 1042.0117003855.

Adding to 1131404200 its reverse (24041311), we get a palindrome (1155445511).

The spelling of 1131404200 in words is "one billion, one hundred thirty-one million, four hundred four thousand, two hundred".